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Airswift Sweden Logo Airswift Sweden · Energy

High Voltage Engineering Specialist

Germany, Cologne · Job Posted June 04, 2026
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Job Description

We are seeking a High Voltage Engineering Specialist to lead the design, integration, and compliance of HV systems and grid connections for utility-scale energy projects, including BESS This role will support the full project lifecycle from concept through commissioning ensuring all systems meet grid codes, utility requirements, and industry standards.

Job Responsibility

  • Lead the development of grid connection strategies and concepts
  • Ensure compliance with TSO/DSO requirements and grid codes VDE-AR-N 4110/4120/4130
  • Define compliance frameworks, simulation scope, and certification requirements
  • Develop and define operational modes
  • Interface with grid operators and support connection studies and approvals
  • Design and review HV systems, including: Substations and switchyards, Transformers, HV cable systems and overhead line interfaces
  • Develop and validate: Single Line Diagrams, Equipment specifications, Electrical layouts and earthing concepts
  • Ensure integration between HV, MV, and plant systems
  • Define and assess protection philosophy and relay settings
  • Oversee SCADA / PPC / EMS integration
  • Coordinate interfaces between: HV systems, Power Conversion Systems, Plant control and automation systems
  • Ensure compliance with power quality, dynamic performance, and grid-support requirements
  • Support installation and site activities for HV equipment
  • Contribute to energisation procedures and commissioning
  • Review FAT/SAT and commissioning test procedures
  • Support grid compliance testing and performance validation

Requirements

  • Degree in Electrical Engineering, Power Systems, or equivalent
  • Extensive experience in high-voltage systems typically ≥110 kV
  • Proven track record in grid connection of power plants, BESS, or renewable projects
  • Experience with grid compliance processes and certification
  • Grid code compliance
  • Power system studies
  • Grid connection procedures and permitting
  • Substations transformers, HV cables
  • Protection systems and relay coordination
  • Earthing and insulation coordination
  • Experience with inverter-based resources
  • Power Conversion Systems / inverters
  • Grid-support functions reactive power, frequency response, black start
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